add testcode parser for new test

test-suite/tools/parsers/parse_rmn.py

@@ -0,0 +1,47 @@
+"""
+Parser function parse() to parse the seedname_r.dat output file of Wannier90 (<i|r|j> matrix elements).
+"""
+from __future__ import print_function, unicode_literals
+import inspect
+import re
+from collections import defaultdict
+
+from . import show_output
+
+def parse(fname):
+    """
+    Open the file, parses it and return the values
+
+    For now, I just check that the size of the file is correct, but
+    I don't check the actual content
+    """
+    retdict = defaultdict(list)
+
+    if show_output:
+        print("[{}.{}] Parsing file '{}'".format(
+            __name__, inspect.currentframe().f_code.co_name, fname))
+
+    with open(fname) as f:
+        lines = f.readlines()
+
+    # skip the first line, which contains only the date
+    retdict['num_wann'] = [int(_) for _ in lines[1].split()]
+    retdict['nrpts'] = [int(_) for _ in lines[2].split()]
+    retdict['irvec_a'] = [float(line.split()[0]) for line in lines[3:]]
+    retdict['irvec_b'] = [float(line.split()[1]) for line in lines[3:]]
+    retdict['irvec_c'] = [float(line.split()[2]) for line in lines[3:]]
+    retdict['index_i'] = [float(line.split()[3]) for line in lines[3:]]
+    retdict['index_j'] = [float(line.split()[4]) for line in lines[3:]]
+    retdict['real_x'] = [float(line.split()[5]) for line in lines[3:]]
+    retdict['imag_x'] = [float(line.split()[6]) for line in lines[3:]]
+    retdict['real_y'] = [float(line.split()[7]) for line in lines[3:]]
+    retdict['imag_y'] = [float(line.split()[8]) for line in lines[3:]]
+    retdict['real_z'] = [float(line.split()[9]) for line in lines[3:]]
+    retdict['imag_z'] = [float(line.split()[10]) for line in lines[3:]]
+
+    retdict = dict(retdict)
+    if show_output:
+        for k in sorted(retdict):
+            print("  {}: {}".format(k, retdict[k]))
+        print("-"*72)
+    return retdict